2. The last words of a play actor's speech, serving as an intimation for the next succeeding player to speak; any word or words which serve to remind a player to speak or to do something; a catchword. [1913 Webster]

When my cue comes, call me, and I will answer. --Shak. [1913 Webster]

3. A hint or intimation. [1913 Webster]

Give them [the servants] their cue to attend in two lines as he leaves the house. --Swift. [1913 Webster]

4. The part one has to perform in, or as in, a play. [1913 Webster]

Were it my cueto fight, I should have known it Without a prompter. --Shak. [1913 Webster]

5. Humor; temper of mind. [Colloq.] --Dickens. [1913 Webster]

6. A straight tapering rod used to impel the balls in playing billiards. [1913 Webster]

The Collaborative International Dictionary of English v.0.48 [gcide]

Cue \Cue\, v. t. To form into a cue; to braid; to twist. [1913 Webster]

The Collaborative International Dictionary of English v.0.48 [gcide]

Cue \Cue\, n. [From q, an abbreviation for quadrans a farthing.] A small portion of bread or beer; the quantity bought with a farthing or half farthing. [Obs.] [1913 Webster]

Note: The term was formerly current in the English universities, the letter q being the mark in the buttery books to denote such a portion. --Nares. [1913 Webster]